/Engine/Plugins/Enterprise/VariantManager/Source/VariantManager/Public/VariantManager.h
Sets up the blueprint class deriving from the function director that we'll use. Do this here as it uses editor-only code
[UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * GetOrCreateDirectorBlueprint ( [ULevelVariantSets](API\Plugins\VariantManagerContent\ULevelVariantSets) * InLevelVariantSets )